Discovery certificate for object 2018xl
TNS Astronomical Transient Report No. 17028 [ 2018TNSTR.249....1D ]

Date Received (UTC): 2018-02-20 18:08:11
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018xl
Discoverer internal name: Gaia18alz
Coordinates (J2000): RA = 22:28:28.280 (337.117833) DEC = -75:36:05.87 (-75.601631)
Discovery date: 2018-02-15 03:30:14 (JD=2458164.6459954)


Remarks: candidate SN near galaxy MRSS 048-056045. GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2018-02-15 03:30:14
Flux: 18.74 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-05 06:41:45
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018xl